WASHINGTON (AP) — Prairie dogs are the Paul Reveres of the Great Plains: They bark to alert neighbors to the presence of predators, with separate calls for dangers coming by land or by air. “Prairie dogs are on the menu for just about every predator you can think of”— golden eagles, red-tailed hawks, foxes, badgers, even large snakes — said Andy Boyce, a research ecologist in Montana at the Smithsonian’s National Zoo and Conservation Biology Institute.Those predators will also snack on grassland nesting birds like the long-billed curlew.To protect themselves, the curlews eavesdrop on the alarms coming from prairie dog…